A flow visualization study was performed using a focusing schlieren system in the 0.3m Transonic Cryogenic Tunnel at NASA Langley Research Center. The design employed proved to be a useful flow visualization tool for flows as low as M = 0.4. This study marked the first verification of the focusing schlieren technique in a major subsonic/transonic wind tunnel, and the first time that high quality, detailed pictures of high-Reynolds number flows were obtained in a cryogenic wind tunnel. This test was part of a development program to implement instrumentation techniques in cryogenic wind tunnels, with the ultimate aim to use them in the National Transonic Facility (NTF).


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    Title :

    Aerodynamic investigation with focusing schlieren in a cryogenic wind tunnel


    Contributors:

    Conference:

    AIAA, Applied Aerodynamics Conference ; 1993 ; Monterey, CA, United States


    Publication date :

    1993-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





    Aerodynamic investigation with focusing schlieren in a cryogenic wind tunnel

    GARTENBERG, EHUD / WEINSTEIN, LEONARD / LEE, JR., EDWIN | AIAA | 1993


    Aerodynamic investigation with focusing schlieren in a cryogenic wind tunnel

    Gartenberg, E. / Weinstein, L.M. / Lee, E.E. jun. | Tema Archive | 1994


    Aerodynamic investigation with focusing schlieren in a cryogenic wind tunnel

    Gartenberg, Ehud / Weinstein, Leonard M. / Lee, Edwin E. | AIAA | 1994


    Aerodynamic Investigation with focusing schlieren in a cryogenic wind tunnel

    Gartenberg, Ehud / Weinstein, Leonard M. / Lee Edwin E., JR. | NTRS | 1994